CN113431042A - Guide structure for constructing straight-driving steel pipe pile and construction method thereof - Google Patents
Guide structure for constructing straight-driving steel pipe pile and construction method thereof Download PDFInfo
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- CN113431042A CN113431042A CN202110539466.9A CN202110539466A CN113431042A CN 113431042 A CN113431042 A CN 113431042A CN 202110539466 A CN202110539466 A CN 202110539466A CN 113431042 A CN113431042 A CN 113431042A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a guide structure for constructing a straight driving steel pipe pile and a construction method thereof, wherein the guide structure comprises a guide ring, a guide block and a connecting system, the guide ring is welded on the inner side of the guide ring, the guide block connects the guide ring into an integral guide structure through the steel pipe connecting system, the guide ring structure is a steel plate rolled circular ring, the guide block is welded into a wedge block structure by a steel plate, and the connecting system is a steel pipe; the method comprises the following steps: the steel plate rolling welding guide ring is characterized in that guide blocks with different sizes are arranged inside the guide ring to adjust guide spaces, two guide rings are connected in series and welded into a whole through a connecting system, the guide rings are arranged on the side face of a construction platform through a support rod and used as steel pipe pile inserting and driving guide.
Description
Technical Field
The invention relates to the field of wind power foundation installation construction, in particular to a guide structure for constructing a direct-driven steel pipe pile and a construction method thereof.
Background
With the rapid development of new energy in China, the development speed of offshore wind power is the top of the world, and the direct driving of a steel pipe pile foundation becomes a conventional foundation structure of an offshore wind power project. In order to ensure the smooth installation of the upper structure, when the steel pipe pile of the offshore wind power foundation is installed and constructed, the construction plane position and the construction plane precision of the steel pipe pile need to be controlled by using the guide structure. The conventional method is to use a guide pipe structure (hereinafter referred to as a guide pipe) which is slightly larger than the diameter of the steel pipe pile as a guide device of the steel pipe pile, and the guide pipe structure has the defects of large self weight, difficult control of the verticality of the steel pipe pile, insufficient reserved space of a high-strain sensor, large contact area with the steel pipe pile, high damage risk of an anticorrosive coating, integral replacement of the guide pipe required by the fixed-size guide construction variable-diameter steel pipe pile, large repair difficulty after the guide pipe deforms and the like.
Disclosure of Invention
The invention aims to provide a guide structure for constructing a straight driving steel pipe pile, which simplifies a guide pipe into a guide ring, and adds a guide block in the guide ring, so as to achieve the purposes of controlling the installation precision, improving the construction efficiency, saving the construction cost, reducing the construction difficulty, reducing the construction safety risk, being quick, efficient, safe and the like.
The second purpose of the invention is to provide a construction method for constructing a guide structure of a straight driving steel pipe pile.
The first object of the present invention is achieved by:
the utility model provides a guide structure for being under construction is directly beaten steel-pipe pile, the characteristic is: the connecting device comprises guide rings, guide blocks and connecting systems, wherein four vertical connecting systems are uniformly arranged at four corners of a square, two identical annular guide rings are arranged in an up-down parallel manner, the outer walls of the two guide rings are respectively fixed at the top ends and the bottom ends of the two connecting systems through support rods, and the inner walls of the guide rings are uniformly fixed with four guide blocks.
Preferably, the section of the guide ring is of a wedge-shaped structure with a high outer part and a low inner part, and the two layers of guide rings are concentric up and down.
Preferably, the guide block is a wedge structure welded by steel plates.
Preferably, the coupling is a steel pipe.
Preferentially, the guide ring structure is a steel plate rolled circular ring, and the guide structure is fixed on the side surface of the construction platform through a steel pipe.
Preferentially, the guide structure utilizes a plurality of guide rings to carry out assembly and vertical welding in the side of the construction platform, and when the reducing steel pipe pile is constructed, the size of the guide block is adjusted to change the guide clearance.
The second object of the invention is achieved by:
a construction method for constructing a guide structure of a straight driving steel pipe pile comprises the following steps:
A. during construction, a steel plate is firstly used for rolling and splicing the guide ring in a factory, the ovality error of the guide ring is ensured to be within 2mm after the guide ring is manufactured, four guide blocks are manufactured and uniformly arranged and welded on the inner wall of the guide ring, and the cross line is drawn when the guide blocks are installed, so that the clearance error in each direction is ensured to be within 2 mm;
B. fixing the guide ring provided with the guide block by a fine positioning mould, welding a connecting system on the outer side of the guide ring, connecting two layers of guide rings in series into a whole, and keeping the concentricity deviation of each layer of guide ring within 2 mm;
C. after the guide structure is welded into a whole, the guide structure is welded and fixed on the side surface of the construction platform by using a steel pipe, and the position of the guide structure is adjusted during installation, so that the verticality of the guide structure is ensured to be within 1 per thousand;
D. the construction platform with the guide structure is integrally transported to a construction site and installed in place, the plane position of the guide structure is ensured to correspond to the design position of the constructed steel pipe pile by controlling the lowering position and the verticality of the construction platform, the verticality of the guide structure is within 2 per thousand, and the verticality and the plane position of the steel pipe pile are controlled by the guide structure during construction of the steel pipe pile;
E. when the variable-diameter steel pipe pile is constructed, the guide blocks with different sizes are installed and disassembled on the inner side of the guide ring, so that the guide clearance is enlarged or reduced, and the guide clearance adjustment of the guide device is completed quickly.
The invention has the advantages that:
(1) the guide structure is formed by connecting and assembling a plurality of layers of guide rings in series, has light and handy structure and small self weight, can guide in large span and can well control the construction precision of the steel pipe pile;
(2) the guide diameter can be changed rapidly by installing the guide blocks with different sizes, and when the variable diameter steel pipe is constructed, the guide blocks installed on the inner wall of the guide ring are adjusted, so that the construction space of the high-strain sensor can be reserved, the guide clearance can be changed rapidly, and the aims of reducing resource investment, saving construction cost and constructing rapidly and efficiently are fulfilled;
(3) the damaged steel pipe pile is easy and quick to repair, the steel pipe pile is in contact with the guide block in the guide ring, the contact and the damaged area of the steel pile coating are small, and the damaged steel pipe pile is relatively easy to repair;
(4) the method is simple and convenient to operate, not only reduces the operation difficulty and risk, but also improves the operation work efficiency, effectively ensures the construction quality, saves the construction cost, and has good economic benefit and operability.
Drawings
FIG. 1 is an elevational view of the present invention;
FIG. 2 is a plan view of the present invention;
FIG. 3 is a view showing the elevation of the guide ring;
FIG. 4 is a floor plan of the installation site of the present invention;
FIG. 5 is a floor plan of the installation site of the present invention;
reference numerals: the device comprises a guide ring 1, a guide block 2, a connecting system 3, a construction platform 4 and a support rod 5.
Detailed Description
The present invention will be described in further detail with reference to the following drawings in conjunction with embodiments.
The utility model provides a guide structure for being under construction is directly beaten steel-pipe pile, includes guide ring 1, guide block 2, connection system 3, and four vertical connection systems 3 are evenly placed on four angles of square, and two identical, annular guide ring 1 is parallel placement from top to bottom, and the top and the bottom at two connection systems 3 are fixed respectively through bracing piece 5 to the outer wall of two guide rings 1, evenly is fixed with four guide block 2 at the inner wall of guide ring 1.
Preferably, the section of the guide ring 1 is a wedge-shaped structure with a high outer part and a low inner part, and the two layers of guide rings 1 are concentric up and down.
Preferably, the guide block 2 is a wedge structure welded by steel plates.
Preferably, the coupling system 3 is a steel pipe.
Preferentially, the guide ring structure is a steel plate rolled circular ring, and the guide structure is fixed on the side surface of the construction platform 4 through the support rod 5.
Preferentially, the guide structure utilizes two guide rings 1 to carry out the spelling, vertical welding in the side of construction platform 4, during the construction reducing steel-pipe pile, changes the direction headroom through the size of adjustment guide block 2.
A construction method for constructing a guide structure of a straight driving steel pipe pile comprises the following steps:
A. during construction, a steel plate is firstly used for rolling and splicing the guide ring 1 in a factory, after the guide ring 1 is manufactured, the ovality error of the guide ring 1 is ensured to be within 2mm, four guide blocks 2 are manufactured and uniformly arranged and welded on the inner wall of the guide ring 1, and the guide blocks 2 are arranged and cross-hatched to ensure that the clearance error in each direction is within 2 mm;
B. fixing a guide ring 1 provided with a guide block 2 by a fine positioning mould, welding a connecting system 3 on the outer side of the guide ring 1, connecting two layers of guide rings 1 in series into a whole, and keeping the concentricity deviation of each layer of guide ring 1 within 2 mm;
C. after the guide structure is welded into a whole, the guide structure is welded and fixed on the side surface of the construction platform 4 by using the steel pipe 5, and the position of the guide structure is adjusted during installation, so that the verticality of the guide structure is ensured to be within 1 per thousand;
D. the construction platform 4 with the guide structure is integrally transported to a construction site and is installed in place, the lowering position and the verticality of the construction platform 4 are controlled, the plane position of the guide structure is ensured to correspond to the design position of the constructed steel pipe pile, the verticality of the guide structure is within 2 thousandth, and the verticality and the plane position of the steel pipe pile are controlled by the guide structure during construction of the steel pipe pile;
E. when the variable-diameter steel pipe pile is constructed, the guide blocks 2 with different sizes are installed and disassembled on the inner side of the guide ring 1, so that the guide clearance is enlarged or reduced, and the guide clearance adjustment of the guide device is completed quickly.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the protection scope of the present invention, which has the same or similar technical solutions as the present invention.
Those not described in detail in this specification are within the skill of the art.
Claims (7)
1. The utility model provides a guide structure for being under construction is directly beaten steel-pipe pile which characterized in that: the connecting device comprises guide rings, guide blocks and connecting systems, wherein four vertical connecting systems are uniformly arranged at four corners of a square, two identical annular guide rings are arranged in an up-down parallel manner, the outer walls of the two guide rings are respectively fixed at the top ends and the bottom ends of the four connecting systems through support rods, and the inner walls of the guide rings are uniformly fixed with the four guide blocks.
2. The guide structure for constructing a straight-driving steel pipe pile according to claim 1, wherein: the section of the guide ring is of a wedge-shaped structure with a high outer part and a low inner part, and the two layers of guide rings are concentric up and down.
3. The guide structure for constructing a straight-driving steel pipe pile according to claim 1, wherein: the guide block is a wedge block structure welded by steel plates.
4. The guide structure for constructing a straight-driving steel pipe pile according to claim 1, wherein: the connecting system is a steel pipe.
5. The guide structure for constructing a straight-driving steel pipe pile according to claim 1, wherein: the guide ring structure is a steel plate rolled circular ring, and the guide structure is fixed on the side face of the construction platform through a steel pipe.
6. The guide structure for constructing a straight-driving steel pipe pile according to claim 1, wherein: the guide structure is assembled and vertically welded on the side face of the construction platform by utilizing the two guide rings.
7. A construction method for constructing a guide structure of a straight driving steel pipe pile comprises the following steps:
A. during construction, a steel plate is firstly used for rolling and splicing the guide ring in a factory, the ovality error of the guide ring is ensured to be within 2mm after the guide ring is manufactured, four guide blocks are manufactured and uniformly arranged and welded on the inner wall of the guide ring, and the cross line is drawn when the guide blocks are installed, so that the clearance error in each direction is ensured to be within 2 mm;
B. fixing the guide ring provided with the guide block by a fine positioning mould, welding a connecting system on the outer side of the guide ring, connecting two layers of guide rings in series into a whole, and keeping the concentricity deviation of each layer of guide ring within 2 mm;
C. after the guide structure is welded into a whole, the guide structure is welded and fixed on the side surface of the construction platform by using a steel pipe, and the position of the guide structure is adjusted during installation, so that the verticality of the guide structure is ensured to be within 1 per thousand;
D. the construction platform with the guide structure is integrally transported to a construction site and installed in place, the plane position of the guide structure is ensured to correspond to the design position of the constructed steel pipe pile by controlling the lowering position and the verticality of the construction platform, the verticality of the guide structure is within 2 per thousand, and the verticality and the plane position of the steel pipe pile are controlled by the guide structure during construction of the steel pipe pile;
E. when the variable-diameter steel pipe pile is constructed, the guide blocks with different sizes are installed and disassembled on the inner side of the guide ring, so that the guide clearance is enlarged or reduced, and the guide clearance adjustment of the guide device is completed quickly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539466.9A CN113431042A (en) | 2021-05-18 | 2021-05-18 | Guide structure for constructing straight-driving steel pipe pile and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539466.9A CN113431042A (en) | 2021-05-18 | 2021-05-18 | Guide structure for constructing straight-driving steel pipe pile and construction method thereof |
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| Publication Number | Publication Date |
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| CN113431042A true CN113431042A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110539466.9A Pending CN113431042A (en) | 2021-05-18 | 2021-05-18 | Guide structure for constructing straight-driving steel pipe pile and construction method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204715359U (en) * | 2015-05-28 | 2015-10-21 | 中国水电建设集团港航建设有限公司 | A kind of novel pile sinking leading truck |
| CN211922623U (en) * | 2019-12-09 | 2020-11-13 | 中铁十八局集团第四工程有限公司 | Steel casing verticality limiting and guiding device for underwater pile |
-
2021
- 2021-05-18 CN CN202110539466.9A patent/CN113431042A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204715359U (en) * | 2015-05-28 | 2015-10-21 | 中国水电建设集团港航建设有限公司 | A kind of novel pile sinking leading truck |
| CN211922623U (en) * | 2019-12-09 | 2020-11-13 | 中铁十八局集团第四工程有限公司 | Steel casing verticality limiting and guiding device for underwater pile |
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Application publication date: 20210924 |